Chief of Defence Staff General Bipin Rawat, his wife Madhulika and 11 armed forces personnel lost their lives when an Indian Air Force Mi-17V5 helicopter crashed in Coonoor of Tamil Nadu on Wednesday. Locals, who were the first to rush to the crash site, recalled the tragic moment. <br /> <br />An eyewitness said, "I first heard a loud noise. When I came outside to see what had happened, I saw the helicopter crash into a tree. There was a huge fireball and then it crashed into another tree. I saw two-three people coming out of the helicopter, they were completely burnt and started falling.